.box {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -100px;
  margin-left: -100px;
  width: 200px;
  height: 200px;
  background: url("../img/news_1.png");
}
.box a {
  color: #555;
}
.pub .bg {
  font-weight: 400px;
}
.pub .bg .a {
  width: 200px;
}
.pub a {
  font-weight: 700;
}
.pub.demo {
  line-height: 30px;
}
